Wait for CS when using SBC

gloomyandy · Feb 3, 2021 · c58a71c · c58a71c
1 parent e2f332e
commit c58a71c
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Showing 4 changed files with 9 additions and 3 deletions.
diff --git a/src/Linux/DataTransfer.cpp b/src/Linux/DataTransfer.cpp
@@ -739,8 +739,12 @@ bool DataTransfer::IsReady() noexcept
 {
 	if (dataReceived)
 	{
-#if !__LPC17xx__ && !STM32F4
-#if SAME5x
+#if __LPC17xx__ || STM32F4
+		if (!digitalRead(SbcCsPin))			// transfer is complete if SS is high
+		{
+			return false;
+		}
+#elif SAME5x
 		if (!digitalRead(SbcSSPin))			// transfer is complete if SS is high
 		{
 			return false;
@@ -758,7 +762,6 @@ bool DataTransfer::IsReady() noexcept
 		{
 			return false;
 		}
-#endif
 #endif
 
 		// Transfer has finished

diff --git a/src/targets/LPC/BoardConfig.cpp b/src/targets/LPC/BoardConfig.cpp
@@ -94,6 +94,7 @@ static const boardConfigEntry_t boardConfigs[]=
 #if HAS_LINUX_INTERFACE
     {"sbc.lpcTfrReadyPin", &SbcTfrReadyPin, nullptr, cvPinType},
     {"sbc.TfrReadyPin", &SbcTfrReadyPin, nullptr, cvPinType},
+    {"sbc.csPin", &SbcCsPin, nullptr, cvPinType},
 #endif
 
 #if defined(SERIAL_AUX_DEVICE)

diff --git a/src/targets/LPC/Pins_LPC.cpp b/src/targets/LPC/Pins_LPC.cpp
@@ -88,6 +88,7 @@ Pin SSP0Pins[4] = {SPI0_SCK, SPI0_MISO, SPI0_MOSI, SPI0_SSEL}; //GPIO pins for S
 
 #if HAS_LINUX_INTERFACE
     Pin SbcTfrReadyPin = NoPin;
+    Pin SbcCsPin = P0_16;
 #endif
 
 bool ADCEnablePreFilter = true;

diff --git a/src/targets/LPC/Pins_LPC.h b/src/targets/LPC/Pins_LPC.h
@@ -203,6 +203,7 @@ extern SSPChannel TempSensorSSPChannel;
 
 #if HAS_LINUX_INTERFACE
     extern Pin SbcTfrReadyPin;
+    extern Pin SbcCsPin;
 #endif
 
 // Power control